Home / 13,186.17-19,776.29-3,826.22

Finding the Fourth Proportional to 13,186.17, 19,776.29 and 3,826.22

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Solution

The fourth proportional to 13,186.17, 19,776.29 and 3,826.22 is: 5,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.17 : 19,776.29 = 3,826.22 : x
  2. Step 2: Convert to fraction form
    13,186.17/19,776.29 = 3,826.22/x
  3. Step 3: Cross multiply
    13,186.17x = 19,776.29 × 3,826.22
  4. Step 4: Simplify right side
    13,186.17x = 75,668,318.31
  5. Step 5: Solve for x
    x = 75,668,318.31/13,186.17
  6. Step 6: Final answer
    x = 5,738.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.